3643242553 has 8 divisors (see below), whose sum is σ = 3807289728. Its totient is φ = 3482800944.

The previous prime is 3643242541. The next prime is 3643242563. The reversal of 3643242553 is 3552423463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3643242553 - 2⁵ = 3643242521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643242563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899326 + ... + 903367.

It is an arithmetic number, because the mean of its divisors is an integer number (475911216).

Almost surely, 2^3643242553 is an apocalyptic number.

It is an amenable number.

3643242553 is a deficient number, since it is larger than the sum of its proper divisors (164047175).

3643242553 is a wasteful number, since it uses less digits than its factorization.

3643242553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802783.

The product of its digits is 259200, while the sum is 37.

The square root of 3643242553 is about 60359.2789304180. The cubic root of 3643242553 is about 1538.7309713330.

The spelling of 3643242553 in words is "three billion, six hundred forty-three million, two hundred forty-two thousand, five hundred fifty-three".